吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (1): 20-29.doi: 10.13229/j.cnki.jdxbgxb20170057

• 论文 • 上一篇    下一篇

车用双电源开绕组电机驱动系统绕组模式切换及电流控制策略

贾一帆1, 初亮1, 许楠1, 徐哲2   

  1. 1.吉林大学 汽车仿真与控制国家重点实验室,长春 130022;
    2.中国第一汽车股份有限公司 技术中心,长春 130011
  • 收稿日期:2017-01-06 出版日期:2018-02-26 发布日期:2018-02-26
  • 通讯作者: 许楠(1984-),男,讲师,博士.研究方向:新能源车辆驱动理论及控制.E-mail:nanxu@jlu.edu.cn
  • 作者简介:贾一帆(1992-),男,博士研究生.研究方向:电动汽车驱动理论及控制.E-mail: 695424875@qq.com
  • 基金资助:
    中国博士后科学基金项目(2014M561290); 吉林省青年科研基金项目(20150520115JH); 长春市科技计划项目(14KG098)

Winding mode shifting and current control strategy of dual power open-winding PMSM drive system for electric vehicle

JIA Yi-Fan1, CHU Liang1, XU Nan1, XU Zhe2   

  1. 1.State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130022,China;
    2.R&D Center,China FAW Group Corporation,Changchun 130011,China
  • Received:2017-01-06 Online:2018-02-26 Published:2018-02-26

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摘要： 针对电动车用双电源双逆变器开绕组永磁同步电机驱动系统,提出星形、角形、独立3种绕组模式及实现方法。在分析各模式电机外特性的基础上,制定了绕组模式切换策略,其中的转矩饱和判定算法可实现对电机参数变化不敏感的绕组模式自动向上切换。同时提出了用于独立模式的多电平电流滞环调制算法,增加了电平数量及触发机制,可指定主电源并实时切换,从而实现两电源间的能量分配;其具有低开关频率和大功率差值两种控制方式,可达到不同的节能与能量分配效果。仿真结果表明:本文方法充分利用了各绕组模式的工作区间,减少了器件损耗并提高了系统效率,为双电源构型下车用动力系统的建立提供了理论依据与工程方案。

关键词: 车辆工程, 开绕组永磁同步电机, 绕组模式切换, 转矩饱和判定, 电流滞环调制, 能量分配

Abstract: Aiming at dual power Open-winding Permanent Synchronous Motor (OW-PMSM) for electric vehicle, three winding modes, star mode, triangle mode and independent mode, and their implementation methods were proposed. A novel winding mode shifting strategy was put forward on the basis of discussing the working range of each winding mode, in which the torque saturation decision is insensitive to motor parameters. Also a multi-level current hysterisis modulation method was proposed, which could assign the main power source and change it anytime by additional electric levels and their trigger mechanism. Using this method the energy can be distributed between two power sources. The modulation method has two patterns, the low switching frequency pattern and the high power difference pattern, to achieve different energy distribution effects. Simulation results show that, the proposed method can take full advantage of the working range of each winding mode, reduce device loss and improve the effectiveness of the system, and provide theoretical basis and engineering proposal for designing the drive system of electric vehicle with dual power sources.

Key words: vehicle engineering, open-winding permanent magnet synchronous motor, winding mode shift, torque saturation decision, current hysterisis modulation, energy distribution

中图分类号: 

  • TM351
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